(Barrie, ON, Canada)
When just in gear the motor will intermittently "shudder". There's no pattern ie. every 5 minutes, nor does it "shudder" for the same amount of time. If it starts this and doesn't settle down quickly I'll give it more throttle and then back it back down and we may or may not be good for a while. The rpm when this happens is 710 to 760. I have the VessleView installed and it doesnt report any faults. Gas is clean and new, filters all replaced. about 280 hours on the motor. I did replace the plugs with NGK's and that seemed to help. Runs totally fine when throttled up like to a speed of 4mph to wot.
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